1942 commercial Reg and express letter in the place transported Prague pneumatic-tube post, with Landscape 5K+5K, Pof.38, 45, CDS PRAG 1/ 8.X.42-13, on reverse CDS HAUPTTELEGRAFENAMT PRAG/ 8.X.42-13, rose big label "Rohrpost and Eilbote", register No. 2049; very sound condition, rare usage rose hinge / label "Pneumatic tube post and express"